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參數(shù)資料
| 型號： | RF2516 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | VHF/UHF TRANSMITTER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 295K |
| 代理商： | RF2516 |
Preliminary
11-37
RF2516
Rev A10 010613
11
T
Pin
1
Function
OSC B
Description
This pin is connected directly to the reference oscillator transistor base.
The intended reference oscillator configuration is a modified Colpitts. A
68pF capacitor should be connected between pin 1 and pin 2. Diodes
shown in the interface schematic provide 3kV electrostatic discharge
(ESD) protection using the human body model.
Interface Schematic
2
OSC E
This pin is connected directly to the emitter of the reference oscillator
transistor. A 33pF capacitor should be connected from this pin to
ground. Diodes shown in the interface schematic provide 3kV electro-
static discharge (ESD) protection using the human body model.
See pin 1.
3
PD
Power Down control for all circuitry. When this pin is a logic “l(fā)ow” all cir-
cuits are turned off. When this pin is a logic “high”, all circuits are oper-
ating normally. A “high” is V
CC
. Diodes shown in the interface
schematic provide 3kV electrostatic discharge (ESD) protection using
the human body model.
4
GND
Ground connection for the TX OUT amp. Keep traces physically short
and connect immediately to ground plane for best performance. Diodes
shown in the interface schematic provide 3kV electrostatic discharge
(ESD) protection using the human body model.
5
TXOUT
Transmitter output. This output is an open collector and requires a pull-
up inductor for bias/matching and a tapped capacitor for matching.
6
GND1
Ground connection for the TX output buffer amplifier. Diodes shown in
the interface schematic provide 3kV electrostatic discharge (ESD) pro-
tection using the human body model.
This pin is used to supply bias to the TX buffer amplifier. Diodes shown
in the interface schematic provide 3kV electrostatic discharge (ESD)
protection using the human body model.
See pin 4.
7
VCC1
8
MOD IN
AM analog or digital modulation can be imparted to the carrier by an
input to this pin. An external resistor is used to bias the output amplifi-
ers through this pin. The voltage at this pin must not exceed 1.1V.
Higher voltages may damage the device. Diodes shown in the interface
schematic provide 3kV electrostatic discharge (ESD) protection using
the human body model.
9
VCC2
This pin is used to supply DC bias to the VCO, crystal oscillator, pre-
scaler, phase detector, and charge pump. An IF bypass capacitor
should be connected directly to this pin and returned to ground. Diodes
shown in the interface schematic provide 3kV electrostatic discharge
(ESD) protection using the human body model.
Digital PLL ground connection. Diodes shown in the interface sche-
matic provide 3kV electrostatic discharge (ESD) protection using the
human body model.
See pin 7.
10
GND2
See pin 4.
OSC E
V
CC
OSC B
V
CC
PD
GND
V
CC
TX OUT
MOD IN
RF IN
VCC1
V
CC
1 k
MOD IN
TX OUT
V
CC
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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| RF2524-000 | 功能描述:TVS DIODE 5V 4CH UNI SMD RoHS:是 類別:過電壓，電流，溫度裝置 >> TVS - 二極管 系列:- 產(chǎn)品培訓(xùn)模塊:Transient Voltage Suppression (TVS) Diodes 產(chǎn)品目錄繪圖:5KP Series Axial Side 標(biāo)準(zhǔn)包裝:1 系列:5KP 電壓 - 反向隔離（標(biāo)準(zhǔn)值）:170V 電壓 - 擊穿:189V 功率（瓦特）:5000W 電極標(biāo)記:雙向 安裝類型:通孔 封裝/外殼:P600，軸向 供應(yīng)商設(shè)備封裝:P600 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:2371 (CN2011-ZH PDF) 其它名稱:5KP170CACT5KP170CACT-ND5KP170CALFCTF3388CTF3388CT-ND |
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